| /* |
| * This file is part of the sigrok-cli project. |
| * |
| * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
| * |
| * This program is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "sigrok-cli.h" |
| #include <glib.h> |
| |
| gboolean opt_version = FALSE; |
| gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings by default. */ |
| gboolean opt_scan_devs = FALSE; |
| gboolean opt_wait_trigger = FALSE; |
| gchar *opt_input_file = NULL; |
| gchar *opt_output_file = NULL; |
| gchar *opt_drv = NULL; |
| gchar *opt_config = NULL; |
| gchar *opt_channels = NULL; |
| gchar *opt_channel_group = NULL; |
| gchar *opt_triggers = NULL; |
| gchar *opt_pds = NULL; |
| #ifdef HAVE_SRD |
| gchar *opt_pd_stack = NULL; |
| gchar *opt_pd_annotations = NULL; |
| gchar *opt_pd_meta = NULL; |
| gchar *opt_pd_binary = NULL; |
| #endif |
| gchar *opt_input_format = NULL; |
| gchar *opt_output_format = NULL; |
| gchar *opt_show = NULL; |
| gchar *opt_time = NULL; |
| gchar *opt_samples = NULL; |
| gchar *opt_frames = NULL; |
| gchar *opt_continuous = NULL; |
| gchar *opt_get = NULL; |
| gchar *opt_set = NULL; |
| |
| /* defines a callback function that generates |
| an error if an option occurs twice */ |
| #define CHECK_ONCE(option) \ |
| static gboolean check_ ## option \ |
| (const gchar *option_name, const gchar *value, \ |
| gpointer data, GError **error) \ |
| { \ |
| (void)data; \ |
| \ |
| static gboolean seen = FALSE; \ |
| if (seen) { \ |
| g_set_error(error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED, \ |
| "superfluous option \"%s\"", option_name); \ |
| return FALSE; \ |
| } \ |
| \ |
| option = g_strdup(value); \ |
| seen = TRUE; \ |
| return TRUE; \ |
| } |
| |
| CHECK_ONCE(opt_drv) |
| CHECK_ONCE(opt_config) |
| CHECK_ONCE(opt_input_format) |
| CHECK_ONCE(opt_output_format) |
| CHECK_ONCE(opt_channels) |
| CHECK_ONCE(opt_channel_group) |
| CHECK_ONCE(opt_triggers) |
| #ifdef HAVE_SRD |
| CHECK_ONCE(opt_pds) |
| CHECK_ONCE(opt_pd_stack) |
| CHECK_ONCE(opt_pd_annotations) |
| CHECK_ONCE(opt_pd_meta) |
| CHECK_ONCE(opt_pd_binary) |
| #endif |
| CHECK_ONCE(opt_time) |
| CHECK_ONCE(opt_samples) |
| CHECK_ONCE(opt_frames) |
| CHECK_ONCE(opt_get) |
| |
| #undef CHECK_STR_ONCE |
| |
| static gchar **input_file_array = NULL; |
| static gchar **output_file_array = NULL; |
| |
| static const GOptionEntry optargs[] = { |
| {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version, |
| "Show version and support list", NULL}, |
| {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel, |
| "Set loglevel (5 is most verbose)", NULL}, |
| {"driver", 'd', 0, G_OPTION_ARG_CALLBACK, &check_opt_drv, |
| "The driver to use", NULL}, |
| {"config", 'c', 0, G_OPTION_ARG_CALLBACK, &check_opt_config, |
| "Specify device configuration options", NULL}, |
| {"input-file", 'i', 0, G_OPTION_ARG_FILENAME_ARRAY, &input_file_array, |
| "Load input from file", NULL}, |
| {"input-format", 'I', 0, G_OPTION_ARG_CALLBACK, &check_opt_input_format, |
| "Input format", NULL}, |
| {"output-file", 'o', 0, G_OPTION_ARG_FILENAME_ARRAY, &output_file_array, |
| "Save output to file", NULL}, |
| {"output-format", 'O', 0, G_OPTION_ARG_CALLBACK, &check_opt_output_format, |
| "Output format", NULL}, |
| {"channels", 'C', 0, G_OPTION_ARG_CALLBACK, &check_opt_channels, |
| "Channels to use", NULL}, |
| {"channel-group", 'g', 0, G_OPTION_ARG_CALLBACK, &check_opt_channel_group, |
| "Channel groups", NULL}, |
| {"triggers", 't', 0, G_OPTION_ARG_CALLBACK, &check_opt_triggers, |
| "Trigger configuration", NULL}, |
| {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger, |
| "Wait for trigger", NULL}, |
| #ifdef HAVE_SRD |
| {"protocol-decoders", 'P', 0, G_OPTION_ARG_CALLBACK, &check_opt_pds, |
| "Protocol decoders to run", NULL}, |
| {"protocol-decoder-stack", 'S', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_stack, |
| "Protocol decoder stack", NULL}, |
| {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_annotations, |
| "Protocol decoder annotation(s) to show", NULL}, |
| {"protocol-decoder-meta", 'M', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_meta, |
| "Protocol decoder meta output to show", NULL}, |
| {"protocol-decoder-binary", 'B', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_binary, |
| "Protocol decoder binary output to show", NULL}, |
| #endif |
| {"scan", 0, 0, G_OPTION_ARG_NONE, &opt_scan_devs, |
| "Scan for devices", NULL}, |
| {"show", 0, 0, G_OPTION_ARG_NONE, &opt_show, |
| "Show device detail", NULL}, |
| {"time", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_time, |
| "How long to sample (ms)", NULL}, |
| {"samples", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_samples, |
| "Number of samples to acquire", NULL}, |
| {"frames", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_frames, |
| "Number of frames to acquire", NULL}, |
| {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous, |
| "Sample continuously", NULL}, |
| {"get", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_get, "Get device option only", NULL}, |
| {"set", 0, 0, G_OPTION_ARG_NONE, &opt_set, "Set device options only", NULL}, |
| {NULL, 0, 0, 0, NULL, NULL, NULL} |
| }; |
| |
| /* Parses the command line and sets all the 'opt_...' variables. |
| Returns zero on success, non-zero otherwise. */ |
| int parse_options(int argc, char **argv) |
| { |
| GError *error = NULL; |
| GOptionContext *context = g_option_context_new(NULL); |
| int ret = 1; |
| |
| g_option_context_add_main_entries(context, optargs, NULL); |
| |
| if (!g_option_context_parse(context, &argc, &argv, &error)) { |
| g_critical("%s", error->message); |
| goto done; |
| } |
| |
| /* |
| * Because of encoding issues with filenames (mentioned in the glib |
| * documentation), we don't check them with a callback function, but |
| * collect them into arrays and then check if the arrays contain at |
| * most one element. |
| */ |
| if (NULL != input_file_array) { |
| if (NULL != input_file_array[0] && NULL != input_file_array[1]) { |
| g_critical("option \"--input-file/-i\" only allowed once"); |
| goto done; |
| } |
| opt_input_file = g_strdup(input_file_array[0]); |
| } |
| |
| if (NULL != output_file_array) { |
| if (NULL != output_file_array[0] && NULL != output_file_array[1]) { |
| g_critical("option \"--output-file/-o\" only allowed once"); |
| goto done; |
| } |
| opt_output_file = g_strdup(output_file_array[0]); |
| } |
| |
| if (1 != argc) { |
| g_critical("superfluous command line argument \"%s\"", argv[1]); |
| goto done; |
| } |
| |
| ret = 0; |
| |
| done: |
| g_option_context_free(context); |
| g_strfreev(input_file_array); |
| g_strfreev(output_file_array); |
| input_file_array = NULL; |
| output_file_array = NULL; |
| |
| return ret; |
| } |
| |
| void show_help(void) |
| { |
| GOptionContext *context = g_option_context_new(NULL); |
| g_option_context_add_main_entries(context, optargs, NULL); |
| |
| char *help = g_option_context_get_help(context, TRUE, NULL); |
| printf("%s", help); |
| g_free(help); |
| |
| g_option_context_free(context); |
| } |